:root {
  color-scheme: light;
  --canvas: #eceae4;
  --paper: #faf9f5;
  --ink: #171716;
  --muted: #66645f;
  --quiet: #8b8983;
  --rule: rgba(23, 23, 22, 0.16);
  --rule-strong: rgba(23, 23, 22, 0.46);
  --accent: #bd2b22;
  --accent-dark: #8f1d17;
  --code: #222220;
  --code-ink: #f7f5ef;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--canvas);
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

a:hover {
  text-decoration-color: var(--accent);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

img {
  display: block;
  max-width: 100%;
}

figure {
  margin: 0;
}

code,
pre,
.mono {
  font-family: ui-monospace, "SFMono-Regular", SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.site-footer,
.page-shell {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  min-height: 84px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--rule-strong);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--ink);
  font-size: 11px;
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.page-shell {
  background: var(--paper);
  border-right: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(330px, 0.72fr);
  gap: clamp(48px, 7vw, 98px);
  padding: clamp(72px, 11vw, 132px) clamp(24px, 6vw, 72px) clamp(64px, 9vw, 108px);
  border-top: 5px solid var(--accent);
  border-bottom: 1px solid var(--rule-strong);
}

.hero > * {
  min-width: 0;
}

.eyebrow,
.section-label,
.proof-label,
.mode-number,
.article-kicker {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: ui-monospace, "SFMono-Regular", SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(48px, 7.2vw, 88px);
  font-weight: 650;
  letter-spacing: -0.062em;
  line-height: 0.94;
}

.lede {
  max-width: 700px;
  margin: 32px 0 0;
  color: #323230;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.022em;
  line-height: 1.4;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.button-primary {
  background: var(--ink);
  color: #fff;
}

.button-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.button-secondary:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.install-card {
  align-self: end;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
  padding: 22px 0 24px;
}

.install-label {
  display: block;
  margin-bottom: 11px;
  color: var(--muted);
  font-size: 12px;
}

.install-card pre {
  margin: 0;
  overflow-x: auto;
  padding: 18px;
  background: var(--code);
  color: var(--code-ink);
  font-size: 13px;
  line-height: 1.5;
}

.install-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding-inline: clamp(24px, 6vw, 72px);
  border-bottom: 1px solid var(--rule-strong);
}

.proof-item {
  min-width: 0;
  padding: 26px 22px 28px 0;
}

.proof-item + .proof-item {
  padding-left: 24px;
  border-left: 1px solid var(--rule);
}

.proof-value {
  display: block;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1;
}

.proof-label {
  display: block;
  margin: 9px 0 0;
  color: var(--muted);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.evaluation-note {
  margin: 0;
  padding: 15px clamp(24px, 6vw, 72px) 17px;
  border-bottom: 1px solid var(--rule-strong);
  color: var(--muted);
  font-size: 12px;
}

.evaluation-note strong {
  color: var(--ink);
}

.section {
  padding: clamp(66px, 9vw, 110px) clamp(24px, 6vw, 72px);
  border-bottom: 1px solid var(--rule-strong);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
  gap: clamp(32px, 7vw, 100px);
  align-items: start;
  margin-bottom: clamp(42px, 7vw, 76px);
}

.section-heading h2,
.article h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 650;
  letter-spacing: -0.047em;
  line-height: 1.02;
}

.section-heading p {
  max-width: 650px;
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
}

.mode {
  min-width: 0;
  padding: 30px 30px 34px 0;
}

.mode + .mode {
  padding-left: 30px;
  border-left: 1px solid var(--rule);
}

.mode h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 650;
  letter-spacing: -0.028em;
}

.mode p {
  margin: 15px 0 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(40px, 8vw, 112px);
  align-items: start;
}

.split-copy h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 650;
  letter-spacing: -0.05em;
  line-height: 1;
}

.split-copy > p:not(.section-label) {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.text-link {
  display: inline-block;
  margin-top: 28px;
  font-weight: 650;
}

.evidence-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
  list-style: none;
}

.evidence-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}

.evidence-list strong {
  font-size: 18px;
}

.evidence-list span {
  color: var(--muted);
}

.evidence-index {
  color: var(--accent);
  font-family: ui-monospace, "SFMono-Regular", SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

.report-frame {
  display: block;
  overflow: hidden;
  border: 1px solid var(--rule-strong);
  background: #e5e3dd;
}

.report-frame img {
  width: 100%;
  height: auto;
}

.report-caption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.faq-list {
  border-top: 1px solid var(--rule-strong);
}

.faq-item {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
  gap: 40px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}

.faq-item h3 {
  margin: 0;
  font-size: 18px;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-block: 34px 54px;
  color: var(--muted);
  font-size: 13px;
}

.site-footer p {
  margin: 0;
}

.article-shell {
  padding: clamp(66px, 10vw, 120px) clamp(24px, 9vw, 128px) clamp(76px, 11vw, 132px);
  border-top: 5px solid var(--accent);
}

.breadcrumbs {
  margin-bottom: 64px;
  color: var(--muted);
  font-size: 13px;
}

.article-header {
  max-width: 930px;
  padding-bottom: clamp(48px, 8vw, 90px);
  border-bottom: 1px solid var(--rule-strong);
}

.article-header h1 {
  font-size: clamp(48px, 8vw, 92px);
}

.article-dek {
  max-width: 760px;
  margin: 30px 0 0;
  color: #323230;
  font-size: clamp(21px, 2.8vw, 29px);
  line-height: 1.38;
  letter-spacing: -0.025em;
}

.article-meta {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.article {
  max-width: 760px;
  margin: 0 auto;
  padding-top: 70px;
}

.article h2 {
  margin-top: 74px;
  font-size: clamp(30px, 4vw, 43px);
}

.article h3 {
  margin: 38px 0 0;
  font-size: 22px;
  letter-spacing: -0.025em;
}

.article p,
.article li {
  font-size: 18px;
  line-height: 1.68;
}

.article p {
  margin: 22px 0 0;
}

.article ul,
.article ol {
  margin: 24px 0 0;
  padding-left: 1.25em;
}

.article li + li {
  margin-top: 13px;
}

.answer-box {
  margin: 0 0 62px;
  padding: 28px 30px 30px;
  border-top: 4px solid var(--accent);
  background: #efede7;
}

.answer-box h2 {
  margin-top: 0;
  font-size: 27px;
}

.policy-table {
  margin-top: 28px;
  border-top: 1px solid var(--rule-strong);
}

.policy-row {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.policy-row strong {
  font-family: ui-monospace, "SFMono-Regular", SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
}

.policy-row p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.article-note {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--rule-strong);
  color: var(--muted);
  font-size: 14px !important;
}

@media (max-width: 860px) {
  .hero,
  .section-heading,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 54px;
  }

  .proof-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-item:nth-child(3) {
    border-left: 0;
  }

  .proof-item:nth-child(n + 3) {
    border-top: 1px solid var(--rule);
  }

  .mode-grid {
    grid-template-columns: 1fr;
  }

  .mode + .mode {
    padding-left: 0;
    border-top: 1px solid var(--rule);
    border-left: 0;
  }
}

@media (max-width: 620px) {
  .site-header,
  .site-footer,
  .page-shell {
    width: min(100% - 24px, var(--max));
  }

  .site-header {
    min-height: 74px;
  }

  .site-nav a:not(:last-child) {
    display: none;
  }

  h1,
  .article-header h1 {
    font-size: clamp(43px, 14vw, 62px);
  }

  .proof-strip {
    grid-template-columns: 1fr 1fr;
  }

  .proof-item {
    padding-right: 14px;
  }

  .proof-item + .proof-item {
    padding-left: 14px;
  }

  .faq-item,
  .policy-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}